115 lines
3 KiB
Elixir
115 lines
3 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Frontend do
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alias Pleroma.Config
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require Logger
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def install(name, opts \\ []) do
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frontend_info = %{
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"ref" => opts[:ref],
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"build_url" => opts[:build_url],
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"build_dir" => opts[:build_dir]
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}
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frontend_info =
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[:frontends, :available, name]
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|> Config.get(%{})
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|> Map.merge(frontend_info, fn _key, config, cmd ->
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# This only overrides things that are actually set
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cmd || config
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end)
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ref = frontend_info["ref"]
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unless ref do
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raise "No ref given or configured"
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end
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dest = Path.join([dir(), name, ref])
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label = "#{name} (#{ref})"
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tmp_dir = Path.join(dir(), "tmp")
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IO.puts("Downloading #{label}...")
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with {_, :ok} <-
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{:download_or_unzip, download_or_unzip(frontend_info, tmp_dir, opts[:file])},
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IO.puts("Installing #{label} to #{dest}"),
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:ok <- install_frontend(frontend_info, tmp_dir, dest) do
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File.rm_rf!(tmp_dir)
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IO.puts("Frontend #{label} installed to #{dest}")
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else
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{:download_or_unzip, _} ->
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IO.puts("Could not download or unzip the frontend")
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{:error, "Could not download or unzip the frontend"}
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_e ->
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IO.puts("Could not install the frontend")
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{:error, "Could not install the frontend"}
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end
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end
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def dir(opts \\ []) do
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if is_nil(opts[:static_dir]) do
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Pleroma.Config.get!([:instance, :static_dir])
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else
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opts[:static_dir]
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end
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|> Path.join("frontends")
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end
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defp download_or_unzip(frontend_info, temp_dir, nil),
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do: download_build(frontend_info, temp_dir)
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defp download_or_unzip(_frontend_info, temp_dir, file) do
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with {:ok, zip} <- File.read(Path.expand(file)) do
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unzip(zip, temp_dir)
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end
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end
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def unzip(zip, dest) do
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with {:ok, unzipped} <- :zip.unzip(zip, [:memory]) do
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File.rm_rf!(dest)
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File.mkdir_p!(dest)
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Enum.each(unzipped, fn {filename, data} ->
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path = filename
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new_file_path = Path.join(dest, path)
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new_file_path
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|> Path.dirname()
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|> File.rm()
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new_file_path
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|> Path.dirname()
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|> File.mkdir_p!()
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File.write!(new_file_path, data)
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end)
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end
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end
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defp download_build(frontend_info, dest) do
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Logger.info("Downloading pre-built bundle for #{frontend_info["name"]}")
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url = String.replace(frontend_info["build_url"], "${ref}", frontend_info["ref"])
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with {:ok, %{status: 200, body: zip_body}} <-
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Pleroma.HTTP.get(url, [], receive_timeout: 120_000) do
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unzip(zip_body, dest)
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else
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{:error, e} -> {:error, e}
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e -> {:error, e}
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end
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end
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defp install_frontend(frontend_info, source, dest) do
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from = frontend_info["build_dir"] || "dist"
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File.rm_rf!(dest)
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File.mkdir_p!(dest)
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File.cp_r!(Path.join([source, from]), dest)
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:ok
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end
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end
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